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Transcription and Regulation

Transcription and Regulation
Transcription factors are

CATT boxes
proteins which bind to DNA and regulate transcription
TATA boxes
promoters

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Transcription and Regulation
Transcription begins

upstream from the start codon
downstream from the start codon
at the start codon
none of these

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Transcription and Regulation
Transcription of each set of rRNA genes by RNA polymerasel produces

a single 18S rRNA precursor molecule
a single 45S rRNA precursor molecule
a single 28S rRNA precursor molecule
a single 5S rRNA precursor molecule

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Transcription and Regulation
In eukaryotes, there are three different RNA polymerases. The RNA polymerase responsible for transcription of mRNA is

RNA polymerase I
RNA polymerase III
RNA polymerase II
none of these

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Transcription and Regulation
Transcription results in

messenger RNA
complementary DNA
Okazaki fragments
an amino acid chain

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Transcription and Regulation
Enhancers are regions that

are adjacent to the TATA box
modulate transcription
bind RNA polymerase
are CAT box binding proteins

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